aboutsummaryrefslogtreecommitdiff
path: root/engines/titanic
diff options
context:
space:
mode:
Diffstat (limited to 'engines/titanic')
-rw-r--r--engines/titanic/star_control/fpose.cpp29
-rw-r--r--engines/titanic/star_control/fpose.h9
-rw-r--r--engines/titanic/star_control/fvector.h4
-rw-r--r--engines/titanic/star_control/matrix_transform.cpp55
-rw-r--r--engines/titanic/star_control/matrix_transform.h10
-rw-r--r--engines/titanic/star_control/orientation_changer.cpp4
-rw-r--r--engines/titanic/star_control/star_camera.cpp20
7 files changed, 89 insertions, 42 deletions
diff --git a/engines/titanic/star_control/fpose.cpp b/engines/titanic/star_control/fpose.cpp
index a076cbb288..54cfebd186 100644
--- a/engines/titanic/star_control/fpose.cpp
+++ b/engines/titanic/star_control/fpose.cpp
@@ -21,6 +21,7 @@
*/
#include "titanic/star_control/fpose.h"
+#include "titanic/star_control/matrix_transform.h"
namespace Titanic {
@@ -183,6 +184,34 @@ FPose FPose::inverseTransform() const {
return result;
}
+//TODO: Check math and provide source
+void FPose::loadTransform(const CMatrixTransform &src) {
+ double total = src.fn1();
+ double factor = (total <= 0.0) ? 0.0 : 2.0 / total;
+ FVector temp1V = src._vector * factor;
+ FVector temp2V = temp1V * src._vector;
+
+ double val1 = temp1V._y * src._vector._x;
+ double val2 = temp1V._z * src._vector._x;
+ double val3 = temp1V._z * src._vector._y;
+ double val4 = temp1V._x * src._field0;
+ double val5 = temp1V._y * src._field0;
+ double val6 = temp1V._z * src._field0;
+
+ _row1._x = 1.0 - (temp2V._z + temp2V._y);
+ _row1._y = val1 + val6;
+ _row1._z = val2 - val5;
+ _row2._x = val1 - val6;
+ _row2._y = 1.0 - (temp2V._z + temp2V._x);
+ _row2._z = val3 + val4;
+ _row3._x = val2 + val5;
+ _row3._y = val3 - val4;
+ _row3._z = 1.0 - (temp2V._y + temp2V._x);
+ _vector._x = 0;
+ _vector._y = 0;
+ _vector._z = 0;
+}
+
FPose FPose::compose2(const FPose &m) {
FPose dm;
dm._row1 = _row1.MatProdRowVect(m);
diff --git a/engines/titanic/star_control/fpose.h b/engines/titanic/star_control/fpose.h
index 7a1dc7e5e1..d3c43fa439 100644
--- a/engines/titanic/star_control/fpose.h
+++ b/engines/titanic/star_control/fpose.h
@@ -27,6 +27,8 @@
namespace Titanic {
+class CMatrixTransform;
+
/*
* This class combines a position and orientation in 3D space
* TODO: Merge with DAffine
@@ -69,6 +71,13 @@ public:
void copyFrom(const FMatrix &src);
/**
+ * Change this Daffine to have its first three columns be some mapping from src matrix
+ * and the 4rth column to be (three) zeros. The mapping is not as simple as replacing
+ * matching row/colmn indices
+ */
+ void loadTransform(const CMatrixTransform &src);
+
+ /**
* The inverse of rotation and the position vector
*/
FPose inverseTransform() const;
diff --git a/engines/titanic/star_control/fvector.h b/engines/titanic/star_control/fvector.h
index 201d19e33a..9bf6a55cce 100644
--- a/engines/titanic/star_control/fvector.h
+++ b/engines/titanic/star_control/fvector.h
@@ -152,6 +152,10 @@ public:
return FVector(_x * right, _y * right, _z * right);
}
+ const FVector operator*(const FVector &right) const {
+ return FVector(_x * right._x, _y * right._y, _z * right._z);
+ }
+
void operator+=(const FVector &delta) {
_x += delta._x;
_y += delta._y;
diff --git a/engines/titanic/star_control/matrix_transform.cpp b/engines/titanic/star_control/matrix_transform.cpp
index 4f1324d310..e9f04c97bd 100644
--- a/engines/titanic/star_control/matrix_transform.cpp
+++ b/engines/titanic/star_control/matrix_transform.cpp
@@ -21,7 +21,8 @@
*/
#include "titanic/star_control/matrix_transform.h"
-#include "titanic/star_control/daffine.h"
+//#include "titanic/star_control/daffine.h"
+#include "titanic/star_control/fpose.h"
#include "common/textconsole.h"
namespace Titanic {
@@ -55,47 +56,47 @@ CMatrixTransform CMatrixTransform::resize(double factor) const {
return dest;
}
-void CMatrixTransform::fn4(const DAffine &m) {
- double total = m._col1._x + m._col3._z + m._col2._y + 1.0;
+void CMatrixTransform::fn4(const FMatrix &m) {
+ double total = m._row1._x + m._row3._z + m._row2._y + 1.0;
if (total <= 0.00001) {
- total = m._col3._z;
+ total = m._row3._z;
- if (m._col1._x <= m._col3._z) {
- if (m._col2._y > total)
- total = m._col2._y;
- } else if (m._col1._x > total) {
- total = m._col1._x;
+ if (m._row1._x <= m._row3._z) {
+ if (m._row2._y > total)
+ total = m._row2._y;
+ } else if (m._row1._x > total) {
+ total = m._row1._x;
}
- if (total == m._col1._x) {
- double val1 = sqrt(m._col1._x - -1.0 - m._col2._y - m._col3._z);
+ if (total == m._row1._x) {
+ double val1 = sqrt(m._row1._x - -1.0 - m._row2._y - m._row3._z);
double val2 = 0.5 / val1;
_vector._x = val1 * 0.5;
- _field0 = (m._col2._z - m._col3._y) * val2;
- _vector._y = (m._col2._x + m._col1._y) * val2;
- _vector._z = (m._col3._x + m._col1._z) * val2;
- } else if (total == m._col2._y) {
- double val1 = sqrt(m._col2._y - -1.0 - m._col3._z - m._col1._x);
+ _field0 = (m._row2._z - m._row3._y) * val2;
+ _vector._y = (m._row2._x + m._row1._y) * val2;
+ _vector._z = (m._row3._x + m._row1._z) * val2;
+ } else if (total == m._row2._y) {
+ double val1 = sqrt(m._row2._y - -1.0 - m._row3._z - m._row1._x);
double val2 = 0.5 / val1;
_vector._y = val1 * 0.5;
- _field0 = (m._col3._x - m._col1._z) * val2;
- _vector._z = (m._col3._y + m._col2._z) * val2;
- _vector._x = (m._col2._x + m._col1._y) * val2;
- } else if (total == m._col3._z) {
- double val1 = sqrt(m._col3._z - -1.0 - m._col1._x - m._col2._y);
+ _field0 = (m._row3._x - m._row1._z) * val2;
+ _vector._z = (m._row3._y + m._row2._z) * val2;
+ _vector._x = (m._row2._x + m._row1._y) * val2;
+ } else if (total == m._row3._z) {
+ double val1 = sqrt(m._row3._z - -1.0 - m._row1._x - m._row2._y);
double val2 = 0.5 / val1;
_vector._z = val1 * 0.5;
- _field0 = (m._col1._y - m._col2._x) * val2;
- _vector._x = (m._col3._x + m._col1._z) * val2;
- _vector._y = (m._col3._y + m._col2._z) * val2;
+ _field0 = (m._row1._y - m._row2._x) * val2;
+ _vector._x = (m._row3._x + m._row1._z) * val2;
+ _vector._y = (m._row3._y + m._row2._z) * val2;
}
} else {
double val1 = 0.5 / sqrt(total);
_field0 = sqrt(total) * 0.5;
- _vector._x = (m._col2._z - m._col3._y) * val1;
- _vector._y = (m._col3._x - m._col1._z) * val1;
- _vector._z = (m._col1._y - m._col2._x) * val1;
+ _vector._x = (m._row2._z - m._row3._y) * val1;
+ _vector._y = (m._row3._x - m._row1._z) * val1;
+ _vector._z = (m._row1._y - m._row2._x) * val1;
}
}
diff --git a/engines/titanic/star_control/matrix_transform.h b/engines/titanic/star_control/matrix_transform.h
index 92d4fbff22..2043e8de76 100644
--- a/engines/titanic/star_control/matrix_transform.h
+++ b/engines/titanic/star_control/matrix_transform.h
@@ -23,11 +23,12 @@
#ifndef TITANIC_MATRIX_TRANSFORM_H
#define TITANIC_MATRIX_TRANSFORM_H
-#include "titanic/star_control/dvector.h"
+//#include "titanic/star_control/dvector.h"
+#include "titanic/star_control/fvector.h"
namespace Titanic {
-class Daffine;
+class FMatrix;
class CMatrixTransform {
private:
@@ -35,7 +36,8 @@ private:
CMatrixTransform resize(double factor) const;
public:
double _field0;
- DVector _vector;
+ //DVector _vector;
+ FVector _vector;
public:
CMatrixTransform() : _field0(1.0) {}
@@ -50,7 +52,7 @@ public:
void copyFrom(const CMatrixTransform &src);
double fn1() const;
- void fn4(const DAffine &m);
+ void fn4(const FMatrix &m);
CMatrixTransform fn5(double percent, const CMatrixTransform &src);
};
diff --git a/engines/titanic/star_control/orientation_changer.cpp b/engines/titanic/star_control/orientation_changer.cpp
index a0c5c73fbe..e6d52df212 100644
--- a/engines/titanic/star_control/orientation_changer.cpp
+++ b/engines/titanic/star_control/orientation_changer.cpp
@@ -22,6 +22,7 @@
#include "titanic/star_control/orientation_changer.h"
#include "titanic/star_control/daffine.h"
+#include "titanic/star_control/fpose.h"
namespace Titanic {
@@ -41,7 +42,8 @@ FMatrix COrientationChanger::getOrientation(double percent) {
} else {
CMatrixTransform tfm = _sub1.fn5(percent, _sub2);
- DAffine m1;
+ //DAffine m1;
+ FPose m1;
m1.loadTransform(tfm);
return m1;
}
diff --git a/engines/titanic/star_control/star_camera.cpp b/engines/titanic/star_control/star_camera.cpp
index 38ce492ce5..88c943e685 100644
--- a/engines/titanic/star_control/star_camera.cpp
+++ b/engines/titanic/star_control/star_camera.cpp
@@ -518,15 +518,15 @@ bool CStarCamera::lockMarker2(CViewport *viewport, const FVector &secondStarPosi
_isInLockingProcess = true;
FVector firstStarPosition = _lockedStarsPos._row1;
- DAffine m2(0, firstStarPosition); // Identity matrix and col4 as the 1st stars position
+ //DAffine m2(0, firstStarPosition); // Identity matrix and col4 as the 1st stars position
FPose m3(0, firstStarPosition); // Identity matrix and row4 as the 1st stars position
FVector starDelta = secondStarPosition - firstStarPosition;
- DAffine m1 = starDelta.formRotXY();
+ //DAffine m1 = starDelta.formRotXY();
FPose m10 = starDelta.formRotXY2();
FPose m11;
fposeProd(m10,m3,m11);
- m1 = m1.compose(m2);
- m2 = m1.inverseTransform();
+ //m1 = m1.compose(m2);
+ //m2 = m1.inverseTransform();
float A[16]={m11._row1._x,m11._row1._y,m11._row1._z, 0.0,
m11._row2._x,m11._row2._y,m11._row2._z, 0.0,
@@ -543,11 +543,11 @@ bool CStarCamera::lockMarker2(CViewport *viewport, const FVector &secondStarPosi
m10._vector._z=B[14];
FVector oldPos = _viewport._position;
- DAffine m5;
- m5._col1 = viewport->_position;
- m5._col2 = FVector(0.0, 0.0, 0.0);
- m5._col3 = FVector(0.0, 0.0, 0.0);
- m5._col4 = FVector(0.0, 0.0, 0.0);
+ //DAffine m5;
+ //m5._col1 = viewport->_position;
+ //m5._col2 = FVector(0.0, 0.0, 0.0);
+ //m5._col3 = FVector(0.0, 0.0, 0.0);
+ //m5._col4 = FVector(0.0, 0.0, 0.0);
FPose m4;
m4._row1 = viewport->_position;
@@ -583,7 +583,7 @@ bool CStarCamera::lockMarker2(CViewport *viewport, const FVector &secondStarPosi
m4._vector = tempV3;
- FVector viewPosition = oldPos.MatProdColVect(m2);
+ //FVector viewPosition = oldPos.MatProdColVect(m2);
FVector viewPosition2 = oldPos.MatProdRowVect(m10);
//m4 = m4.compose2(m2);
//fposeProd(m4,m10,m3);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 08:47:22 +0000